CN216065467U - Workpiece die-casting structure - Google Patents
Workpiece die-casting structure Download PDFInfo
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- CN216065467U CN216065467U CN202122048454.4U CN202122048454U CN216065467U CN 216065467 U CN216065467 U CN 216065467U CN 202122048454 U CN202122048454 U CN 202122048454U CN 216065467 U CN216065467 U CN 216065467U
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Abstract
The utility model discloses a workpiece die-casting structure, which comprises a fixed die holder, a movable die holder, a point cooling mechanism and a material ejecting mechanism, wherein the fixed die holder is fixed on the fixed die holder; die holder fixing: a positioning hole is formed in the right side of the upper surface of the fixed die holder, a fixed die is mounted on the lower surface of the fixed die holder through a first bolt, and a first die cavity is formed in the lower surface of the fixed die; a movable die holder: the upper surface of the movable mold is provided with a movable mold through a second bolt, the middle part of the upper surface of the movable mold is provided with a second mold cavity, and the right side of the upper surface of the movable mold is provided with a feeding runner; a point cooling mechanism: the fixed die is movably inserted in the middle of the upper surface of the fixed die; the material ejecting mechanism comprises: the sliding connection is arranged inside the movable die; the point cooling mechanism comprises a fixed die insert, an internal thread and a point cooling pipe, wherein the fixed die insert is movably inserted in the middle of the upper surface of the fixed die, the internal thread is formed in the upper end of the inside of the fixed die insert, the middle of the outer surface of the point cooling pipe is connected with the internal thread in a threaded manner, and the workpiece die-casting structure is long in service life and beneficial to improving the production efficiency.
Description
Technical Field
The utility model relates to the technical field of die-casting molds, in particular to a workpiece die-casting structure.
Background
Casting is known, which can be divided into many types, of which die casting is one type, die casting is a metal casting process, which is characterized in that high pressure is applied to molten metal by using a cavity of a die, the die is usually made of a higher strength alloy, and the basic process of die casting is as follows: the metal liquid is cast at low speed or high speed and filled into a cavity of a die, and the metal liquid is pressurized and forged along with the cooling process of the metal liquid, so that the defects of shrinkage cavity and shrinkage porosity of a blank are eliminated, the internal structure of the blank reaches broken crystal grains in a forging state, the comprehensive mechanical property of the blank can be effectively improved, when the traditional die-casting die is manufactured, because a fixed die does not have a cooling mechanism or has poor heat dissipation effect, the high temperature of the fixed die can be caused, the mechanical property of the fixed die is reduced, the phenomena of erosion and die burning can be generated in the using process, the service life and the product quality of the die are influenced, workpieces can be accidentally adhered to the fixed die in the production process, because the fixed die does not have a jacking structure, when the workpieces are adhered to the fixed die, manual treatment is required, and the processing efficiency is influenced, and therefore, a workpiece die-casting structure is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, and provides a workpiece die-casting structure, which can cool a fixed die, and when a movable die is separated from the fixed die, a thimble can fix a workpiece on the movable die, so that the problems in the background art can be effectively solved.
In order to achieve the purpose, the utility model provides the following technical scheme: a workpiece die-casting structure comprises a fixed die holder, a movable die holder, a point cooling mechanism and a material ejecting mechanism;
die holder fixing: a positioning hole is formed in the right side of the upper surface of the fixed die holder, a fixed die is mounted on the lower surface of the fixed die holder through a first bolt, and a first die cavity is formed in the lower surface of the fixed die;
a movable die holder: the upper surface of the movable mold is provided with a movable mold through a second bolt, the middle part of the upper surface of the movable mold is provided with a second mold cavity, and the right side of the upper surface of the movable mold is provided with a feeding runner;
a point cooling mechanism: the fixed die is movably inserted in the middle of the upper surface of the fixed die;
the material ejecting mechanism comprises: sliding connection can cool off the cover half in the inside of movable mould, avoids the mould to produce high temperature, and then the high-pressure molten metal of high temperature strikes the mould for a long time, can cause the damage to the mould, and then avoids producing the phenomenon of erosion, fever mould, has promoted the life and the product quality of mould, and liftout mechanism can effectually solve the phenomenon of work piece adhesion cover half, makes things convenient for the separation of work piece to promote machining efficiency.
Further, the point cooling mechanism comprises a fixed die insert, an internal thread and a point cooling pipe, the fixed die insert is movably inserted in the middle of the upper surface of the fixed die, the internal thread is formed in the upper end of the inside of the fixed die insert, the middle of the outer surface of the point cooling pipe is in threaded connection with the internal thread, the lower end of the point cooling pipe extends to the inside of the fixed die insert, the upper end of the fixed die insert penetrates through the movable die holder, the fixed die can be cooled, and the phenomena of erosion and die burning are avoided.
Furthermore, the internal thread is a conical internal thread, and the sealing effect is good.
Furthermore, a water pipe groove is formed in the rear side of the upper surface of the fixed die base, the water pipe groove corresponds to the spot-cooled pipe in position, and a water pipe pressing plate is installed in the rectangular groove of the upper surface of the fixed die base through a third bolt, so that a water pipe is conveniently fixed.
Further, liftout mechanism includes thimble and back-off groove, the equal sliding connection of thimble in the inside of movable mould, the back-off groove has all been seted up to the surface upper end of thimble, and the position of thimble and second die cavity corresponds, avoids the convenient ejection of compact of work piece adhesion cover half.
Furthermore, positioning grooves are formed in the lower surface corners of the fixed die, positioning protrusions are arranged on the upper surface corners of the movable die, and the positioning protrusions are movably connected with the vertically corresponding positioning grooves in an inserting mode, so that the die is accurately positioned.
Furthermore, the overflow channel has been seted up on the upper surface left side of movable mould, and the overflow launder has been seted up on the upper surface left side of movable mould, and the overflow channel runs through the overflow launder, and the left surface of movable mould is equipped with the collection frame, and the collection groove and the overflow channel intercommunication of collecting the frame guarantee the die-casting quality.
Compared with the prior art, the utility model has the beneficial effects that: this work piece die-casting structure has following benefit:
1. the cooling water of external world enters into the central water pipe of some cold tubes through the water pipe interface of top in, and from its lower extreme inside of discharging the cover half mold insert, and then cool off the cover half, then rivers flow through the outside wet return of some cold tubes, the internal thread is sealed of realization cover half mold insert and some cold tube junction that the circular cone internal thread can be convenient, can cool off the cover half, avoid the mould to produce high temperature, and then the high-pressure molten metal of high temperature strikes the mould for a long time, can cause the damage to the mould, and then avoid producing the erosion, the phenomenon of fever mould, the life and the product quality of mould have been promoted.
2. After the metal liquid inside is cooled and formed, the movable die and the fixed die are driven to be separated through the movable die base, the metal liquid can flow into the reversing groove during casting, a metal block connected with a workpiece is formed after cooling, the casting can be separated from the ejector pin after the metal block is moved out of the sliding hole of the ejector pin, the workpiece and the ejector pin can be further separated from the fixed die together, the ejector pin is pushed to slide upwards, the workpiece is driven to move upwards to be separated from the movable die through the ejector pin, the workpiece is separated from the movable die after the metal block is moved out of the sliding hole of the ejector pin, the workpiece and the movable die can be fixed together through the ejector pin when the ejector pin is not ejected, the workpiece is prevented from being adhered to the fixed die, the workpiece is ejected out after being separated from the fixed die, and the machining efficiency is improved due to the convenience for separating the workpiece.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the moving mold according to the present invention;
FIG. 3 is an enlarged schematic view of the structure at the position A of the present invention;
FIG. 4 is an enlarged view of the structure of the present invention at B;
FIG. 5 is a schematic bottom structure of the present invention.
In the figure: in the figure: the device comprises a fixed die base 1, a movable die base 2, a positioning hole 3, a fixed die 4, a first die cavity 5, a movable die 6, a second die cavity 7, a cooling mechanism 8, a fixed die insert 81, an internal thread 82, a cooling pipe 83, a material ejecting mechanism 9, a thimble 91, a reversing groove 92, a feeding runner 10, an overflow channel 11, a positioning groove 12, a positioning bulge 13, a water pipe pressing plate 14, a water pipe groove 15, an overflow groove 16 and a collecting frame 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present embodiment provides a technical solution: a workpiece die-casting structure comprises a fixed die base 1, a movable die base 2, a spot cooling mechanism 8 and a material ejecting mechanism 9;
a die holder 1: the right side of the upper surface of the fixed die holder is provided with a positioning hole 3, the lower surface of the fixed die holder 1 is provided with a fixed die 4 through a first bolt, the fixed die holder 1 provides a mounting position and support for the fixed die 4, and the lower surface of the fixed die 4 is provided with a first die cavity 5;
and (3) moving the die holder 2: the upper surface of the movable die is provided with a movable die 6 through a second bolt, the movable die holder 2 provides an installation position and support for the movable die 6, the middle part of the upper surface of the movable die 6 is provided with a second die cavity 7, the right side of the upper surface of the movable die 6 is provided with a feeding runner 10, the lower surface corners of the fixed die 4 are provided with positioning grooves 12, the four corners of the upper surface of the movable die 6 are provided with positioning protrusions 13, the positioning protrusions 13 are movably inserted into the vertical corresponding positioning grooves 12 respectively, the positioning grooves 12 and the positioning protrusions 13 ensure that the die assembly positions of the movable die 6 and the fixed die 4 are accurate, the left side of the upper surface of the movable die 6 is provided with an overflow channel 11, the left side of the upper surface of the movable die 6 is provided with an overflow channel 16, the overflow channel 11 penetrates through the overflow channel 16, the left side of the movable die 6 is provided with a collecting frame 17, the collecting groove of the collecting frame 17 is communicated with the overflow channel 11, a nozzle of a die casting machine penetrates through the positioning hole 3 and a right arc groove of the fixed die 4, and a nozzle hole of the die casting machine is communicated with the left end of the feeding runner 10, high-pressure molten metal flows into a cavity formed by closing the first die cavity 5 and the second die cavity 7 through the feeding runner 10, the first entered molten alloy is discharged outwards into the collecting frame 17 through the overflow channel 11, and the overflow groove 16 collects metal slag;
and (3) a point cooling mechanism 8: the spot cooling mechanism 8 comprises a fixed mold insert 81, internal threads 82 and a spot cooling pipe 83, the fixed mold insert 81 is movably inserted in the middle of the upper surface of the fixed mold 4, the internal threads 82 are formed in the upper end of the inner part of the fixed mold insert 81, the middle part of the outer surface of the spot cooling pipe 83 is in threaded connection with the internal threads 82, the lower end of the spot cooling pipe 83 extends into the fixed mold insert 81, the upper end of the fixed mold insert 81 penetrates through the movable mold base 2, the internal threads 82 are conical internal threads, a water pipe groove 15 is formed in the rear side of the upper surface of the fixed mold base 1, the water pipe groove 15 corresponds to the spot cooling pipe 83 in position, a water pipe pressing plate 14 is installed in the rectangular groove of the upper surface of the fixed mold base 1 through a third bolt, two water pipe connectors at the upper end of the spot cooling pipe 83 are communicated with an external water channel, the water pipe is fixed in the water pipe groove 15 through the water pipe pressing plate 14, and external cooling water enters a central water pipe connector of the spot cooling pipe 83, the water is discharged into the fixed mold insert 81 from the lower end of the fixed mold insert, so that the fixed mold 4 is cooled, then the water flows out through an external water return pipe of the spot cooling pipe 83, and the internal thread 82 is a conical internal thread, so that the sealing of the joint of the fixed mold insert 81 and the spot cooling pipe 83 can be conveniently realized;
the material ejecting mechanism 9: the ejection mechanism 9 is connected to the inside of the movable mold 6 in a sliding manner, the ejection mechanism 9 comprises an ejector pin 91 and a reverse buckle groove 92, the ejector pin 91 is connected to the inside of the movable mold 6 in a sliding manner, the reverse buckle groove 92 is formed in the upper end of the outer surface of the ejector pin 91, the ejector pin 91 corresponds to the second mold cavity 7 in position, after the metal liquid in the inside is cooled and formed, the movable mold 6 and the fixed mold 4 are driven by the movable mold base 2 to be separated, the metal liquid can flow into the reverse buckle groove 92 during casting, a metal block connected with a workpiece is formed after cooling, the casting can be separated from the ejector pin 91 after the metal block is moved out from the sliding hole of the ejector pin 91, the workpiece and the ejector pin 91 can be separated from the fixed mold 4 together, the ejector pin 91 is pushed to slide upwards, the ejector pin 91 drives the workpiece to move upwards to be separated from the movable mold 4, and the workpiece and the metal block are separated from the fixed mold 4 after being moved out from the sliding hole of the ejector pin 91.
The working principle of the workpiece die-casting structure provided by the utility model is as follows: two water pipe interfaces at the upper end of the spot cooling pipe 83 are communicated with an external water path, a water pipe is fixed in a water pipe groove 15 through a water pipe pressing plate 14, a nozzle of a die casting machine penetrates through a positioning hole 3 and a right circular arc groove of the fixed die 4, a nozzle hole of the die casting machine is communicated with the left end of a feeding runner 10, high-pressure metal liquid flows into a cavity formed by closing a first die cavity 5 and a second die cavity 7 through the feeding runner 10, firstly, the entering alloy liquid is discharged outwards into a collecting frame 17 through an overflow channel 11, metal slag is collected by an overflow channel 16, external cooling water enters a central water pipe of the spot cooling pipe 83 through the water pipe interface at the upper part and is discharged into the fixed die insert 81 from the lower end of the central water pipe, then, the fixed die 4 is cooled, then, water flows out through an external water return pipe of the spot cooling pipe 83, after the internal metal liquid is cooled and molded, the movable die 6 is driven to be separated from the fixed die 4 through the movable die holder 2, because molten metal flows into the inverted groove 92 during casting, a metal block connected with the workpiece is formed after cooling, the casting can be separated from the thimble 91 only after the metal block is moved out of the slide hole of the thimble 91, and then the workpiece and the thimble 91 can be separated from the fixed die 4 together, the thimble 91 is pushed to slide upwards, the thimble 91 drives the workpiece to move upwards to be separated from the movable die 4, and the workpiece and the thimble 91 are separated after the metal block is moved out of the slide hole of the thimble 91.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. A die-casting structure of a workpiece, characterized in that: comprises a fixed die holder (1), a movable die holder (2), a spot cooling mechanism (8) and a material ejecting mechanism (9);
a fixed die holder (1): a positioning hole (3) is formed in the right side of the upper surface of the fixed die holder (1), a fixed die (4) is installed on the lower surface of the fixed die holder (1) through a first bolt, and a first die cavity (5) is formed in the lower surface of the fixed die (4);
the movable die holder (2): a movable mold (6) is mounted on the upper surface of the movable mold through a second bolt, a second mold cavity (7) is formed in the middle of the upper surface of the movable mold (6), and a feeding runner (10) is formed in the right side of the upper surface of the movable mold (6);
spot cooling mechanism (8): the fixed die is movably inserted in the middle of the upper surface of the fixed die (4);
liftout mechanism (9): is connected to the inside of the movable mold (6) in a sliding way.
2. A die-cast structure for workpieces as set forth in claim 1, wherein: the spot cooling mechanism (8) comprises a fixed die insert (81), an internal thread (82) and a spot cooling pipe (83), the fixed die insert (81) is movably inserted in the middle of the upper surface of the fixed die (4), the internal thread (82) is formed in the upper end of the inside of the fixed die insert (81), the middle of the outer surface of the spot cooling pipe (83) is in threaded connection with the internal thread (82), the lower end of the spot cooling pipe (83) extends to the inside of the fixed die insert (81), and the upper end of the fixed die insert (81) penetrates through the movable die holder (2).
3. A die-cast structure for workpieces as set forth in claim 2, wherein: the internal thread (82) is a conical internal thread.
4. A die-cast structure for workpieces as set forth in claim 2, wherein: the water pipe pressing plate is characterized in that a water pipe groove (15) is formed in the rear side of the upper surface of the fixed die base (1), the water pipe groove (15) corresponds to a spot-cooled pipe (83), and a water pipe pressing plate (14) is installed in a rectangular groove in the upper surface of the fixed die base (1) through a third bolt.
5. A die-cast structure for workpieces as set forth in claim 1, wherein: the ejection mechanism (9) comprises ejector pins (91) and inverted grooves (92), the ejector pins (91) are connected inside the movable die (6) in a sliding mode, the inverted grooves (92) are formed in the upper end of the outer surface of the ejector pins (91), and the ejector pins (91) correspond to the second die cavities (7).
6. A die-cast structure for workpieces as set forth in claim 1, wherein: positioning groove (12) have all been seted up at the lower surface angle of cover half (4), and the upper surface four corners of movable mould (6) all is equipped with location arch (13), and location arch (13) are pegged graft with vertical positioning groove (12) activity that corresponds respectively.
7. A die-cast structure for workpieces as set forth in claim 1, wherein: the overflow channel (11) has been seted up on the upper surface left side of movable mould (6), overflow launder (16) have been seted up on the upper surface left side of movable mould (6), overflow launder (16) are run through in overflow channel (11), and the left surface of movable mould (6) is equipped with collection frame (17), and the collecting vat and overflow channle (11) of collecting frame (17) communicate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122048454.4U CN216065467U (en) | 2021-08-28 | 2021-08-28 | Workpiece die-casting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122048454.4U CN216065467U (en) | 2021-08-28 | 2021-08-28 | Workpiece die-casting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216065467U true CN216065467U (en) | 2022-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122048454.4U Active CN216065467U (en) | 2021-08-28 | 2021-08-28 | Workpiece die-casting structure |
Country Status (1)
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|---|---|
| CN (1) | CN216065467U (en) |
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2021
- 2021-08-28 CN CN202122048454.4U patent/CN216065467U/en active Active
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